Site preference of hydrogen in metal, alloy, and intermetallic frameworks P. Vajeeston, P. Ravindran, R. Vidya, A. Kjekshus and H. Fjellvåg Europhys. Lett., 72 4 (2005) 569-575 Published online: 14 October 2005 DOI: 10.1209/epl/i2005-10280-2